Pertaining to the benthos; living on the seafloor, as opposed to floating in the ocean.(adjective)
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Use "benthic" in a sentence
"Most likely, that will involve placing the mats, called benthic barriers, on the sandy lake bottom to smother the clams."
"Kerry Hackett works for a biotech company that has secretly created a "benthic," an artificial organism capable of shape-changing and much, much more."
"The little fry cook from Bikini Bottom, down in the benthic zone of the Pacific Ocean, has been with us longer than the iPod."